Quality assurance is the planned and systematic activities necessary to provide adequate confidence that the product or service will meet the Given requirements. Quality control is The operational techniques and individual activities that focus on controlling or regulating processes to fulfill requirements for quality. The focus is to prevent defective products or service from being passed on. So
. quality assurance and quality control work hand in hand. For more information go to http://www.qualitygurus.com/courses/mod/forum/discuss.php?d=1557.